20127019

素因数分解:

${\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{919}}^1$

素因数の和:1122

約数の個数: 12

約数和(自身を含む): 22269520

約数和(自身を除く): 2142501

約数列:

[1, 11, 121, 181, 919, 1991, 10109, 21901, 111199, 166339, 1829729, 20127019]

約数ペア:

[(1, 20127019), (11, 1829729), (121, 166339), (181, 111199), (919, 21901), (1991, 10109)]